package com.usian.wemedia.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.usian.model.admin.pojos.AdUser;
import com.usian.model.common.dtos.ResponseResult;
import com.usian.model.common.enums.AppHttpCodeEnum;
import com.usian.model.media.dtos.WmUserDto;
import com.usian.model.media.pojos.WmUser;
import com.usian.utils.common.AppJwtUtil;
import com.usian.wemedia.mapper.WmUserMapper;
import com.usian.wemedia.service.WmUserService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser>implements WmUserService {

    @Override
    public ResponseResult login(WmUserDto dto) {
        //判断账号密码是否为空
        if (StringUtils.isEmpty(dto.getName())|| StringUtils.isEmpty(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_REQUIRE, "用户名或密码不能为空");
        }
        //查询该账号是否存在
        Wrapper<WmUser> wrapper = new QueryWrapper<>();
        ((QueryWrapper)wrapper).eq("name",dto.getName());
        List<WmUser> list = list(wrapper);
        if (list!=null && list.size()==1){
            WmUser wmUser = list.get(0);
            String password = dto.getPassword();
            String pwdSalt= password+wmUser.getSalt();
            String newPwd = DigestUtils.md5DigestAsHex(pwdSalt.getBytes());
            //判断密码是否正确
            if (wmUser.getPassword().equals(newPwd)) {
                Map<String, Object> map = new HashMap<>();
                wmUser.setPassword("");
                wmUser.setSalt("");
                map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
                map.put("user",wmUser);
                //返回token
                return ResponseResult.okResult(map);
            }else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
        }
    }
}
